hfsplus: bad catalog entry type ===================================================== BUG: KMSAN: uninit-value in hfsplus_compose_lookup fs/hfsplus/unicode.c:108 [inline] BUG: KMSAN: uninit-value in hfsplus_uni2asc+0x99f/0x25e0 fs/hfsplus/unicode.c:181 hfsplus_compose_lookup fs/hfsplus/unicode.c:108 [inline] hfsplus_uni2asc+0x99f/0x25e0 fs/hfsplus/unicode.c:181 hfsplus_readdir+0xd60/0x1a70 fs/hfsplus/dir.c:207 iterate_dir+0x719/0x920 fs/readdir.c:108 __do_sys_getdents64 fs/readdir.c:410 [inline] __se_sys_getdents64+0x17e/0x550 fs/readdir.c:396 __x64_sys_getdents64+0x97/0xe0 fs/readdir.c:396 x64_sys_call+0x16c4/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:218 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was stored to memory at: __do_krealloc mm/slub.c:4909 [inline] krealloc_noprof+0x372/0xde0 mm/slub.c:4958 krealloc_array_noprof include/linux/slab.h:979 [inline] snd_pcm_hw_rule_add+0x2f2/0xf20 sound/core/pcm_lib.c:1178 snd_pcm_hw_constraints_init sound/core/pcm_native.c:2608 [inline] snd_pcm_open_substream+0x1511/0x36a0 sound/core/pcm_native.c:2758 snd_pcm_open_file sound/core/pcm_native.c:2800 [inline] snd_pcm_open+0x1e3/0x8a0 sound/core/pcm_native.c:2865 snd_pcm_capture_open+0xf1/0x1d0 sound/core/pcm_native.c:2839 snd_open+0x6f7/0x7e0 sound/core/sound.c:166 chrdev_open+0x88e/0xb90 fs/char_dev.c:414 do_dentry_open+0x1b56/0x2750 fs/open.c:964 vfs_open+0x52/0x5f0 fs/open.c:1094 do_open fs/namei.c:3896 [inline] path_openat+0x598d/0x6760 fs/namei.c:4055 do_filp_open+0x280/0x660 fs/namei.c:4082 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x240/0x300 fs/open.c:1463 x64_sys_call+0x213/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Uninit was created at: slab_post_alloc_hook mm/slub.c:4154 [inline] slab_alloc_node mm/slub.c:4197 [inline] __do_kmalloc_node mm/slub.c:4327 [inline] __kmalloc_node_track_caller_noprof+0x96d/0x12f0 mm/slub.c:4347 __do_krealloc mm/slub.c:4905 [inline] krealloc_noprof+0x268/0xde0 mm/slub.c:4958 krealloc_array_noprof include/linux/slab.h:979 [inline] snd_pcm_hw_rule_add+0x2f2/0xf20 sound/core/pcm_lib.c:1178 snd_pcm_hw_constraints_init sound/core/pcm_native.c:2527 [inline] snd_pcm_open_substream+0xa36/0x36a0 sound/core/pcm_native.c:2758 snd_pcm_open_file sound/core/pcm_native.c:2800 [inline] snd_pcm_open+0x1e3/0x8a0 sound/core/pcm_native.c:2865 snd_pcm_capture_open+0xf1/0x1d0 sound/core/pcm_native.c:2839 snd_open+0x6f7/0x7e0 sound/core/sound.c:166 chrdev_open+0x88e/0xb90 fs/char_dev.c:414 do_dentry_open+0x1b56/0x2750 fs/open.c:964 vfs_open+0x52/0x5f0 fs/open.c:1094 do_open fs/namei.c:3896 [inline] path_openat+0x598d/0x6760 fs/namei.c:4055 do_filp_open+0x280/0x660 fs/namei.c:4082 do_sys_openat2+0x1bb/0x2f0 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __x64_sys_openat+0x240/0x300 fs/open.c:1463 x64_sys_call+0x213/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f CPU: 1 UID: 0 PID: 5793 Comm: syz-executor Not tainted 6.16.0-rc2-syzkaller-00378-gb67ec639010f #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================